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Agilent Technologies Agilent 3499A User Manual

Agilent Technologies Agilent 3499A
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Chapter 4 Features and Functions
Scanning
4
4
Using External Triggering
Two control lines are provided in the rear panel mini-DIN connector:
external trigger in and external trigger out. These lines can be used
individually or combined to synchronize a scan list with an external
instrument (such as a DMM). The figure below shows this connection.
The 3499A/B/C can be configured to output a trigger pulse to notify the
external instrument whenever a channel is closed. The arm or trigger
source is then configured as either EXT or MIX so that the 3499A/B/C can
receive the notification from the external instrument to advance to the
next channel in the scan list.
In addition to the Ext.Trig.In and Ext.Trig.Out pair provided on the
rear panel of the mainframe, the EI (external increment) and CC
(channel closed) pair on a 44474A module (see page 248) can also be
used to synchronize. Specify either Slot 0 or the slot in which a
44474A module is installed to indicate which lines are to be used.
Both the built-in trigger lines and the EI/CC lines on the 44474A are
TTL compatible.
Once enabled, the selected trigger-in line is immediately ready to
accept the trigger signal from the external instrument. Enabling or
disabling a trigger source from the front-panel sets both the trigger in
and trigger out functions. On the remote interface, the trigger out
function can be controlled independently.
2
3
5
6
8
VM Complete Out
Ext Trig In
(Ext.Trig.Out)
7
(Ext.Trig.In)
Agilent 3499B
External DMM
1
4

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Agilent Technologies Agilent 3499A Specifications

General IconGeneral
BrandAgilent Technologies
ModelAgilent 3499A
CategoryControl Systems
LanguageEnglish